/*
 * This file is part of the LIRE project: http://lire-project.net
 * LIRE is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * LIRE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with LIRE; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * We kindly ask you to refer the any or one of the following publications in
 * any publication mentioning or employing Lire:
 *
 * Lux Mathias, Savvas A. Chatzichristofis. Lire: Lucene Image Retrieval –
 * An Extensible Java CBIR Library. In proceedings of the 16th ACM International
 * Conference on Multimedia, pp. 1085-1088, Vancouver, Canada, 2008
 * URL: http://doi.acm.org/10.1145/1459359.1459577
 *
 * Lux Mathias. Content Based Image Retrieval with LIRE. In proceedings of the
 * 19th ACM International Conference on Multimedia, pp. 735-738, Scottsdale,
 * Arizona, USA, 2011
 * URL: http://dl.acm.org/citation.cfm?id=2072432
 *
 * Mathias Lux, Oge Marques. Visual Information Retrieval using Java and LIRE
 * Morgan & Claypool, 2013
 * URL: http://www.morganclaypool.com/doi/abs/10.2200/S00468ED1V01Y201301ICR025
 *
 * Copyright statement:
 * --------------------
 * (c) 2002-2013 by Mathias Lux (mathias@juggle.at)
 *     http://www.semanticmetadata.net/lire, http://www.lire-project.net
 */

package com.renbang.utils.lire;

import net.semanticmetadata.lire.builders.DocumentBuilder;
import net.semanticmetadata.lire.imageanalysis.features.global.CEDD;
import net.semanticmetadata.lire.searchers.GenericFastImageSearcher;
import net.semanticmetadata.lire.searchers.ImageSearchHits;
import net.semanticmetadata.lire.searchers.ImageSearcher;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.store.FSDirectory;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.TreeMap;

/**
 * User: Mathias Lux, mathias@juggle.at Date: 25.05.12 Time: 12:19
 */
public class Searcher {
	public static List<String> search(File file) throws Exception {
		String endWith = file.getName().lastIndexOf(".") == -1 ? ""
				: file.getName().substring(file.getName().lastIndexOf(".") + 1);
		if ("jpg".equals(endWith) || "gif".equals(endWith) || "jpeg".equals(endWith) || "png".equals(endWith)
				|| "psd".equals(endWith)) {
			return searchIndex(file);
		} else {
			throw new IOException("不支持的文件类型");
		}

	}

	public static List<String> searchIndex(File file) {
		List<String> list = new ArrayList();
		try {
			BufferedImage img = ImageIO.read(file);

			IndexReader ir = DirectoryReader.open(FSDirectory.open(new File("D:\\test\\image\\index")));
			ImageSearcher searcher = new GenericFastImageSearcher(30, CEDD.class);
			// ImageSearcher searcher = new GenericFastImageSearcher(30,
			// AutoColorCorrelogram.class);

			// searching with a image file ...
			ImageSearchHits hits = searcher.search(img, ir);
			// searching with a Lucene document instance ...
			// ImageSearchHits hits = searcher.search(ir.document(0), ir);
			for (int i = 0; i < hits.length(); i++) {
				String fileName = ir.document(hits.documentID(i)).getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0];
				list.add(fileName);
				System.out.println(hits.score(i) + ": \t" + fileName);
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return list;
	}

	public static void main(String[] args) throws IOException {
		// Checking if arg[0] is there and if it is an image.
		args = new String[] { "D:\\test\\image\\item_pic5.jpg" };
		BufferedImage img = null;
		boolean passed = false;
		if (args.length > 0) {
			File f = new File(args[0]);
			if (f.exists()) {
				try {
					img = ImageIO.read(f);
					passed = true;
				} catch (IOException e) {
					e.printStackTrace(); // To change body of catch statement
											// use File | Settings | File
											// Templates.
				}
			}
		}
		if (!passed) {
			System.out.println("No image given as first argument.");
			System.out.println("Run \"Searcher <query image>\" to search for <query image>.");
			System.exit(1);
		}

		IndexReader ir = DirectoryReader.open(FSDirectory.open(new File("D:\\test\\image\\index")));
		ImageSearcher searcher = new GenericFastImageSearcher(30, CEDD.class);
		// ImageSearcher searcher = new GenericFastImageSearcher(30,
		// AutoColorCorrelogram.class);

		// searching with a image file ...
		ImageSearchHits hits = searcher.search(img, ir);
		// searching with a Lucene document instance ...
		// ImageSearchHits hits = searcher.search(ir.document(0), ir);
		for (int i = 0; i < hits.length(); i++) {
			String fileName = ir.document(hits.documentID(i)).getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0];
			System.out.println(hits.score(i) + ": \t" + fileName);
		}
	}
}
